J. Bishop Grewell Acting United States Attorney for the District of Colorado | U.S. Attorney for the District of Colorado
The U.S. Attorney’s Office for the District of Colorado has announced that Brisa Sierra-Silva, 25, and Christopher Johnson, 35, have been indicted in connection with two incidents involving postal carriers on March 4, 2024. Sierra-Silva faces charges of both robbery and attempted robbery, while Johnson is charged with attempted robbery.
Sierra-Silva was taken into custody and made her initial court appearance on April 25, 2025. Johnson was arrested later and appeared in court on May 21, 2025.
"The charges in the indictment are allegations and the defendants are presumed innocent unless and until proven guilty beyond a reasonable doubt in a court of law," stated the announcement from the U.S. Attorney's Office.
The investigation is being handled by the United States Postal Inspection Service alongside the Federal Bureau of Investigation. Assistant United States Attorney Al Buchman is prosecuting the case.
